/* ============================================
   AFINC TECHNOLOGY - Site Institucional
   Tema: Preto e Branco Minimalista
   ============================================ */

/* Reset e Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --black: #000000;
    --white: #FFFFFF;
    --gray-1: #111111;
    --gray-2: #222222;
    --gray-3: #333333;
    --gray-4: #444444;
    --transition: all 0.2s ease;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
}

html {
    scroll-behavior: smooth;
    margin: 0;
    padding: 0;
    height: 100%;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--black);
    color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
    margin: 0;
    padding: 0;
    height: 100%;
}

/* Tipografia */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    line-height: 1.2;
}

h1 {
    font-size: clamp(2.5rem, 8vw, 5rem);
}

h2 {
    font-size: clamp(2rem, 6vw, 3.5rem);
    margin-bottom: 2rem;
}

h3 {
    font-size: clamp(1.5rem, 4vw, 2rem);
    margin-bottom: 1rem;
}

p {
    font-size: clamp(1rem, 2vw, 1.125rem);
    color: rgba(255, 255, 255, 0.9);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--black);
    border-bottom: 2px solid var(--gray-2);
    z-index: 1000;
    padding: 1rem 0;
    transition: transform 0.3s ease, opacity 0.3s ease, background-color 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    transform: translateY(0);
    opacity: 1;
}

/* Header na home - aparece apenas ao rolar */
body.home-page header {
    transform: translateY(-100%);
    opacity: 0;
}

body.home-page header.visible {
    transform: translateY(0);
    opacity: 1;
}

header.scrolled {
    background-color: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo:hover {
    opacity: 0.8;
}

.logo img {
    height: 70px;
    width: auto;
    object-fit: contain;
    filter: brightness(0) invert(1);
    display: block;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

nav a {
    color: var(--white);
    text-decoration: none;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: relative;
    transition: var(--transition);
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--white);
    transition: var(--transition);
}

nav a:hover::after {
    width: 100%;
}

nav a:hover {
    opacity: 0.8;
}

/* Main Content */
main {
    margin-top: 0;
    min-height: 100vh;
}

/* Main Content em páginas que não são home - adiciona espaço para o header */
body:not(.home-page) main {
    margin-top: 80px;
    padding-top: 0;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 4rem 2rem;
    position: relative;
    width: 100%;
    overflow: hidden;
    margin: 0;
}

.hero-background {
    position: absolute;
    top: -25%;
    left: -25%;
    width: 150%;
    height: 150%;
    min-height: 150vh;
    background-image: url('assets/background.png');
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    will-change: transform;
    z-index: -1;
    transition: transform 0.1s ease-out;
}

.hero-content {
    max-width: 900px;
    animation: fadeIn 1s ease-in;
    position: relative;
    z-index: 1;
}

.hero-content::before,
.hero-content::after {
    content: '';
    position: absolute;
    width: 2px;
    height: 100px;
    background: var(--white);
    opacity: 0.2;
}

.hero-content::before {
    left: -50px;
    top: 20%;
}

.hero-content::after {
    right: -50px;
    bottom: 20%;
}

.hero-logo {
    margin-bottom: 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-logo img {
    max-width: 500px;
    width: 100%;
    height: auto;
    object-fit: contain;
    filter: brightness(0) invert(1);
    animation: fadeIn 1.2s ease-in;
    display: block;
    position: relative;
    z-index: 1;
}

.hero h1 {
    margin-bottom: 1.5rem;
    color: var(--white);
}

.hero p {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    margin-bottom: 3rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 300;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    background-color: var(--white);
    color: var(--black);
    text-decoration: none;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.1em;
    font-size: 0.9rem;
    border: 2px solid var(--white);
    transition: var(--transition);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn:hover {
    background-color: transparent;
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background-color: transparent;
    color: var(--white);
    border: 2px solid var(--white);
    box-shadow: 0 0 0 rgba(255, 255, 255, 0);
}

.btn-outline::before {
    background: rgba(255, 255, 255, 0.1);
}

.btn-outline:hover {
    background-color: var(--white);
    color: var(--black);
    box-shadow: var(--shadow-md);
}

/* Section */
.section {
    padding: 6rem 0;
    border-top: 2px solid var(--gray-2);
    position: relative;
}

.section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 2px;
    background: var(--white);
    opacity: 0.3;
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
    padding-bottom: 2rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 2px;
    background: var(--white);
}

/* Cards Grid */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
    align-items: stretch;
}

@media (min-width: 768px) {
    .cards-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2.5rem;
    }
}

@media (min-width: 1200px) {
    .cards-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 3rem;
    }
}

.card {
    background-color: var(--gray-1);
    padding: 2.5rem 2rem;
    border: 2px solid var(--gray-2);
    transition: var(--transition);
    text-align: center;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 280px;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--white), transparent);
    opacity: 0;
    transition: var(--transition);
}

.card:hover::before {
    opacity: 1;
}

.card:hover {
    background-color: var(--gray-2);
    transform: translateY(-8px);
    border-color: var(--white);
    box-shadow: var(--shadow-md);
}

.card h3 {
    margin-bottom: 1.25rem;
    font-size: 1.5rem;
    line-height: 1.3;
    min-height: 3.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1rem;
    line-height: 1.6;
    flex-grow: 1;
}

/* Card Inverted */
.card-inverted {
    background-color: var(--white);
    color: var(--black);
    border-color: var(--white);
    box-shadow: var(--shadow-sm);
}

.card-inverted::before {
    background: linear-gradient(90deg, transparent, var(--black), transparent);
}

.card-inverted h3 {
    color: var(--black);
}

.card-inverted p {
    color: rgba(0, 0, 0, 0.7);
}

.card-inverted:hover {
    background-color: var(--gray-1);
    color: var(--white);
    border-color: var(--gray-2);
}

.card-inverted:hover h3 {
    color: var(--white);
}

.card-inverted:hover p {
    color: rgba(255, 255, 255, 0.7);
}

/* Features List */
.features-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.feature-item {
    text-align: center;
}

.feature-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 1.5rem;
    border: 3px solid var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    position: relative;
}

.feature-icon::before {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: 50%;
    border: 1px solid var(--white);
    opacity: 0;
    transition: var(--transition);
}

.feature-item:hover .feature-icon {
    background-color: var(--white);
    color: var(--black);
    transform: scale(1.15);
    box-shadow: var(--shadow-md);
}

.feature-item:hover .feature-icon::before {
    opacity: 0.5;
    transform: scale(1.2);
}

.feature-item h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.feature-item p {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
}

/* About Content */
.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-section {
    margin-bottom: 4rem;
}

.about-section h3 {
    margin-bottom: 1.5rem;
    font-size: 1.75rem;
}

.about-section p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

/* Competências */
.competencies {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.competency-item {
    padding: 1.5rem;
    background-color: var(--gray-1);
    border: 1px solid var(--gray-2);
    text-align: center;
    transition: var(--transition);
}

.competency-item:hover {
    background-color: var(--gray-2);
    border-color: var(--white);
}

/* Timeline */
.timeline {
    position: relative;
    padding: 2rem 0;
    max-width: 800px;
    margin: 0 auto;
}

.timeline-item {
    padding: 2rem 0;
    border-left: 2px solid var(--gray-2);
    padding-left: 2rem;
    margin-left: 1rem;
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -8px;
    top: 2rem;
    width: 14px;
    height: 14px;
    background-color: var(--white);
    border-radius: 50%;
}

.timeline-item h4 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.timeline-item p {
    color: rgba(255, 255, 255, 0.7);
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    padding: 3rem 2rem;
    border: 2px solid var(--gray-2);
    transition: var(--transition);
    min-height: 250px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.service-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    opacity: 0;
    transition: var(--transition);
}

.service-card:hover::after {
    opacity: 1;
}

.service-card:nth-child(odd) {
    background-color: var(--gray-1);
}

.service-card:nth-child(even) {
    background-color: var(--white);
    color: var(--black);
}

.service-card:nth-child(even) h3 {
    color: var(--black);
}

.service-card:nth-child(even) p {
    color: rgba(0, 0, 0, 0.7);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--white);
    box-shadow: var(--shadow-md);
}

.service-card:nth-child(even):hover {
    background-color: var(--gray-1);
    color: var(--white);
}

.service-card:nth-child(even):hover h3 {
    color: var(--white);
}

.service-card:nth-child(even):hover p {
    color: rgba(255, 255, 255, 0.7);
}

/* Projects Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.project-card {
    background-color: var(--gray-1);
    border: 2px solid var(--gray-2);
    transition: var(--transition);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: var(--white);
    box-shadow: var(--shadow-md);
}

.project-image {
    width: 100%;
    height: 220px;
    background-color: var(--gray-2);
    overflow: hidden;
    position: relative;
    border-bottom: 2px solid var(--gray-3);
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%);
    transition: var(--transition);
}

.project-card:hover .project-image img {
    filter: grayscale(0%);
    transform: scale(1.05);
}

.project-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.3);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border: 2px dashed var(--gray-3);
}

.project-content {
    padding: 2rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.project-content h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.project-content p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    flex: 1;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: auto;
}

.tag {
    padding: 0.5rem 1rem;
    background-color: var(--gray-2);
    border: 1px solid var(--gray-3);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
    border-radius: 2px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.project-card:hover .tag {
    border-color: var(--white);
    color: var(--white);
    background-color: var(--gray-3);
    transform: translateY(-2px);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

/* Project Card Inverted */
.project-card.card-inverted {
    background-color: var(--white);
    color: var(--black);
    border-color: var(--white);
    box-shadow: var(--shadow-sm);
}

.project-card.card-inverted .project-image {
    background-color: var(--gray-1);
}

.project-card.card-inverted .project-placeholder {
    color: rgba(0, 0, 0, 0.3);
    border-color: var(--gray-2);
}

.project-card.card-inverted h3 {
    color: var(--black);
}

.project-card.card-inverted p {
    color: rgba(0, 0, 0, 0.7);
}

.project-card.card-inverted .tag {
    background-color: var(--gray-1);
    border-color: var(--gray-2);
    color: rgba(0, 0, 0, 0.7);
}

.project-card.card-inverted:hover {
    background-color: var(--gray-1);
    color: var(--white);
    border-color: var(--gray-2);
}

.project-card.card-inverted:hover h3 {
    color: var(--white);
}

.project-card.card-inverted:hover p {
    color: rgba(255, 255, 255, 0.7);
}

.project-card.card-inverted:hover .tag {
    background-color: var(--gray-2);
    border-color: var(--white);
    color: var(--white);
}

/* Contact Form */
.contact-content {
    max-width: 800px;
    margin: 0 auto;
}

.contact-intro {
    text-align: center;
    margin-bottom: 3rem;
}

.contact-intro p {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.8);
}

.form-group {
    margin-bottom: 2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background-color: var(--gray-1);
    border: 1px solid var(--gray-2);
    color: var(--white);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--white);
    background-color: var(--gray-2);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.form-submit {
    text-align: center;
    margin-top: 2rem;
}

/* Map Placeholder */
.map-placeholder {
    width: 100%;
    height: 400px;
    background-color: var(--gray-1);
    border: 1px solid var(--gray-2);
    margin-top: 4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Footer */
footer {
    background-color: var(--gray-1);
    border-top: 2px solid var(--gray-2);
    padding: 3rem 0;
    margin-top: 6rem;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.3);
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 2px;
    background: var(--white);
    opacity: 0.3;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-content p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.footer-nav {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.footer-nav a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: var(--transition);
}

.footer-nav a:hover {
    color: var(--white);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.8s ease-in;
}

/* Responsive */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }

    nav ul {
        gap: 1.5rem;
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero {
        min-height: 70vh;
    }

    .section {
        padding: 4rem 0;
    }

    .cards-grid,
    .services-grid,
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .card {
        min-height: auto;
        padding: 2rem 1.5rem;
    }
    
    .card h3 {
        min-height: auto;
        font-size: 1.25rem;
        margin-bottom: 1rem;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-nav {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .header-content {
        padding: 0 1rem;
    }

    nav ul {
        gap: 1rem;
        font-size: 0.8rem;
    }

    .card,
    .service-card {
        padding: 2rem 1.5rem;
    }
}